Barry Wilmore

American astronaut (born 1962)

Barry Eugene "Butch" Wilmore is an American retired NASA astronaut and United States Navy test pilot. He is a veteran of three spaceflights, the first of which was an 11-day Space Shuttle mission in November 2009, to the International Space Station. In total, he spent a total of 464 days off Earth and 32 hours outside of a spacecraft. Wilmore was designated as pilot with five other crew members on Space Shuttle Atlantis for the mission STS-129. He served as part of Expedition 41/42 to the International Space Station, and on June 5, 2024, returned to the ISS on the Boeing Crew Flight Test, the first crewed mission of the Boeing Starliner. On March 18, 2025, he returned to Earth on the SpaceX Dragon capsule with the other crew members of Crew-9. The crew that replaced the Boeing Crew Flight Test astronauts aboard the ISS arrived on March 16.